Abstract
AbstractIn this paper, CuInS2 was grown on the surface of flower‐shaped BiOBr by a two‐step hydrothermal method for the first time, and a direct Z‐scheme CuInS2@BiOBr heterojunction structure with close interface contact was successfully prepared. The formation of heterojunctions improves the efficiency of photogenerated carrier transport and separation. Under the visible light irradiation for 75 min, the optimal 5 wt % CuInS2@BiOBr composite material can degrade RhB to 97 %. Radical trapping experiment is shown that holes and superoxide radicals are the main active materials in photocatalytic processes, and a direct Z‐scheme photocatalytic mechanism is proposed.
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